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YaadePostman
Free

Free and open source to self-host.

 Freemium

A free tier covers individual use with limits on collaborators, collection runs and…

Web, Self-hosted, Browser extension Windows, macOS, Linux, Web, Browser extension
  • Self-hosted, so request data stays on your server
  • Shared collections for team collaboration
  • The most widely used API client, so collections and tutorials for it are everywhere
  • Collections with environments, pre-request and test scripts, and a built-in runner
  • Requires running and maintaining a server
  • Commit activity has slowed since May 2025
  • Built around a cloud workspace, and an account is effectively required
  • Offline and local-only use has become harder over successive versions
Self-hosted, Browser extension Downloadable app, Web application, Browser extension
Open source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Needs internet

Checked October 2, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.